XAIR Optimo is an advanced controller for screw compressors with power ratings of up to 500 kW, designed for both variable-speed drive (VSD) applications and conventional star-delta starting systems. It combines extensive configuration capabilities with intuitive operation and a modern approach to industrial cybersecurity.
The controller features a 4.3-inch full-color touchscreen, providing quick access to operating parameters. It supports air and oil pressure measurement, two temperature sensors (including dew point monitoring), and flexible system configuration with 11 digital inputs and 7 digital outputs.
The integrated XAIR Webserver enables local monitoring and diagnostics over a LAN, eliminating the need for external cloud services. Its multilingual user interface and expandable functionality make the controller an ideal solution for both new OEM compressor installations and the modernization of existing systems.
Modern Controller for Screw Compressors up to 500 kW
XAIR Optimo is a next-generation universal controller designed for screw compressors with power ratings of up to 500 kW. It supports both variable-speed drive (VSD) systems and conventional star-delta starting, regardless of the compressor manufacturer.
Thanks to its flexible control algorithms, extensive configuration options, and compatibility with dedicated migration wiring harnesses and signal converters, the controller enables fast integration into both new installations and retrofit projects, including older compressor systems.
XAIR Optimo provides comprehensive control over compressor operation, including:
Pressure and temperature monitoring
Current measurement
Supervision of compressor components
Operating schedules
Service counters and maintenance reminders
Control of auxiliary equipment
Advanced diagnostics and event history
Designed for OEM manufacturers and service providers, XAIR Optimo delivers high reliability, modern communication capabilities, and exceptional configuration flexibility, making it an ideal solution for both new compressor systems and the modernization of existing installations.
Key Features of XAIR Optimo
Universal Application – Designed for screw compressors with power ratings of up to 500 kW. Compatible with both conventional motor starting systems and variable-speed drives (VSDs) communicating via Modbus RTU.
4.3″ Touchscreen Display – A bright, full-color touchscreen with an intuitive user interface provides quick access to all operating parameters and ensures easy, efficient operation.
Integrated XAIR Webserver – Enables local monitoring and diagnostics over a LAN without the need for external cloud services or additional software.
Flexible Configuration – Equipped with 11 programmable digital inputs and 7 digital outputs, allowing the control logic to be tailored to the requirements of virtually any compressor or OEM application.
Master/Slave Control – Capable of managing up to three subordinate compressors within a single compressed air network.
Cybersecurity & CRA Compliance – Developed in accordance with the requirements of the Cyber Resilience Act (CRA), offering robust security, access control, and secure firmware updates.
Multilingual User Interface – Available in multiple languages, with the ability to add additional language versions as needed.
Ready-to-Use VSD Presets – Preconfigured settings for leading inverter manufacturers, including Yaskawa, Danfoss, ABB, and Delta, significantly reduce commissioning time.
Consistent XAIR Line User Experience – Shares the same user interface and operating philosophy as other XAIR controllers, simplifying operation for both operators and service technicians.
USB Software Updates – Firmware updates, data backup, and factory reset can all be performed directly via USB, without the need for a service laptop.
Application and Controller Class
XAIR Optimo is a modern controller designed for both variable-speed drive (VSD) and conventional star-delta screw compressors with power ratings of up to 500 kW. It has been developed for OEM manufacturers, system integrators, and service providers who require exceptional flexibility, reliable operation, and easy integration.
The controller is ideally suited for both new compressor designs and the modernization of existing compressed air installations, providing a future-ready control platform for a wide range of industrial applications.
Intuitive Operation with a 4.3″ Touchscreen
The 4.3-inch touchscreen with a modern, user-friendly interface provides convenient access to all key operating parameters. Clear status messages, intuitive navigation, and built-in guidance simplify both initial configuration and day-to-day operation, ensuring fast and efficient interaction with the controller.
Advanced Monitoring and Diagnostics
XAIR Optimo features an integrated XAIR Webserver that enables local monitoring and diagnostics over a standard LAN connection. No additional software installation or external cloud services are required, allowing secure, on-site access to operating data while keeping all information within the local network.
Users have instant access to:
Operating parameters
Alarm history
Service statistics
Device diagnostics
Operational data
Thanks to its local communication architecture, all data remains within the user’s network, enhancing security and supporting compliance with the requirements of the Cyber Resilience Act (CRA).
Inputs and Outputs
XAIR Optimo provides 11 configurable inputs and 7 programmable digital outputs, offering exceptional flexibility for integration with a wide range of screw compressor designs.
The controller supports:
Temperature sensors: PT100, PT1000, KTY84, and PTC
Two pressure transducers with measurement ranges from –50 to +50 bar
A 5 A current transformer (CT) for motor current measurement
The controller is equipped with:
Two RS-485 communication ports (including one electrically isolated port)
An Ethernet port
A USB port for firmware updates, data backup, and system recovery
Additional features include analog input calibration and real-time monitoring of all input and output states through the built-in diagnostic menu.
Thanks to its universal I/O architecture, retrofitting existing compressor installations often does not require replacing installed sensors or transducers, significantly reducing upgrade costs and minimizing service time.
Network Operation and Master Control
XAIR Optimo can operate as a Master controller, managing up to three Slave compressors within a single compressed air system. This enables the creation of efficient multi-compressor installations that optimize load distribution, reduce energy consumption, and extend equipment service life.
Communication between controllers is based on the Modbus RTU protocol, ensuring fast, reliable data exchange. The system synchronizes compressor operation to maximize efficiency while minimizing unnecessary energy usage.
Key benefits of XAIR Line network operation:
Coordinated Compressor Control – Automatic sequencing of compressor start and stop operations based on compressed air demand.
Improved Energy Efficiency – Reduces unnecessary unloaded running and balances operating hours across all compressors.
Simple Configuration – Master and Slave roles can be assigned quickly without any hardware modifications.
Reliable Communication – Modbus RTU provides stable, dependable communication for control, monitoring, and data exchange between controllers.
Compliance and Security
XAIR Optimo has been developed in accordance with the core principles of the XAIR Line platform:
Reliable operation
Industrial cybersecurity
Complete user control over operational data
The controller has been designed to meet the requirements of the Cyber Resilience Act (CRA), providing a high level of protection against system failures, operational disruptions, and unauthorized access.
Its hardware and software architecture ensures stable operation, secure communication, and effective data protection in both small installations and large industrial facilities.
Built with future industrial requirements in mind, XAIR Optimo is ready to support evolving cybersecurity standards and the growing demands of modern digital infrastructure.
International Support in XAIR Worker Controllers
The multilingual interface of XAIR Optimo has been designed for users worldwide. The menu is available in 9 languages as standard, with the option to easily add further language versions. Thanks to this flexibility, XAIR controllers—already successfully operating in more than 140 countries—provide a high level of user comfort regardless of location or operator experience.
An intuitive and clearly structured interface in the user’s native language reduces the risk of errors, shortens training time, and simplifies everyday operation of the compressor system.
Variable-Speed Drive Support
Built-in presets for popular variable-speed drives, including Yaskawa, Danfoss, ABB, DELTA, and others, significantly simplify integration of the XAIR Optimo controller with drive systems.
Ready-made configurations make inverter commissioning fast and straightforward, while key operating information is displayed clearly directly on the controller screen. Users do not need to interpret complex drive codes or refer to extensive inverter documentation — messages are presented in an easy-to-understand format, improving usability, reducing commissioning time, and simplifying system diagnostics.
Consistent Interface and Access Levels
The user interface is fully consistent with other controllers in the XAIR Line series, making operation easier for technicians and operators working with different compressor models.
Three access levels — User, Service, and Manufacturer — enhance configuration security and ensure stable system operation by controlling access to advanced settings.
System Updates via USB
Software updates can be performed locally without the need to connect a service computer.
The USB port also enables:
Data backup and archiving
Export of configuration settings
Restoration of factory settings
Fast deployment of configurations across multiple devices
This approach simplifies maintenance procedures and reduces service time during installation, upgrades, and system management.
XAIR Optimo is an advanced controller for screw compressors with power ratings of up to 500 kW, designed for both variable-speed drive (VSD) applications and conventional star-delta starting systems. It combines extensive configuration capabilities with intuitive operation and a modern approach to industrial cybersecurity.
The controller features a 4.3-inch full-color touchscreen, providing quick access to operating parameters. It supports air and oil pressure measurement, two temperature sensors (including dew point monitoring), and flexible system configuration with 11 digital inputs and 7 digital outputs.
The integrated XAIR Webserver enables local monitoring and diagnostics over a LAN, eliminating the need for external cloud services. Its multilingual user interface and expandable functionality make the controller an ideal solution for both new OEM compressor installations and the modernization of existing systems.
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